Home / 12,708.03-17,535.33-7,398.75

Finding the Fourth Proportional to 12,708.03, 17,535.33 and 7,398.75

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Solution

The fourth proportional to 12,708.03, 17,535.33 and 7,398.75 is: 10,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.03 : 17,535.33 = 7,398.75 : x
  2. Step 2: Convert to fraction form
    12,708.03/17,535.33 = 7,398.75/x
  3. Step 3: Cross multiply
    12,708.03x = 17,535.33 × 7,398.75
  4. Step 4: Simplify right side
    12,708.03x = 129,739,522.84
  5. Step 5: Solve for x
    x = 129,739,522.84/12,708.03
  6. Step 6: Final answer
    x = 10,209.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.